From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-12.2 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, MENTIONS_GIT_HOSTING,NICE_REPLY_A,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_SANE_1 autolearn=unavailable autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id BE804C433F5 for ; Thu, 9 Sep 2021 02:01:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 95A28610F8 for ; Thu, 9 Sep 2021 02:01:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1349778AbhIICCQ (ORCPT ); Wed, 8 Sep 2021 22:02:16 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46778 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232039AbhIICCO (ORCPT ); Wed, 8 Sep 2021 22:02:14 -0400 Received: from mail-io1-xd2d.google.com (mail-io1-xd2d.google.com [IPv6:2607:f8b0:4864:20::d2d]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 40553C061575 for ; Wed, 8 Sep 2021 19:01:06 -0700 (PDT) Received: by mail-io1-xd2d.google.com with SMTP id a22so303838iok.12 for ; Wed, 08 Sep 2021 19:01:06 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel-dk.20150623.gappssmtp.com; s=20150623; h=subject:to:references:from:message-id:date:user-agent:mime-version :in-reply-to:content-language:content-transfer-encoding; bh=Oy5A8PYrCuxEwNcqPutPFjqQJ1l+woiGv/ZNAsuFTUs=; b=KtW/t7Psm8GhVojYnQZpdTHgLbyANmRgGMhvw0gs3r7M3zVGG4VIgZaL/34q1JCYKZ 7L5g8GsjOvXLJgOX2fbnzBVlzw7az5UDm+OJbSlsKg07QkLEijvIQ5oYUOrQ7wwCvHU5 otYoBW1ajlhlYS9uTuXWUILCBGuIggjOPxlNzjoU+gE2TBNpFsodEMZZW1wfywRtlfst fj+9r+dC4O3pRt7Nuly6o42Q0t/tWYPpGbOD7czjmSkRecLchMzD2MJxhL9/EP6nReyp oQcAlbIM+exF7Ki5XpOOUv9XQrHcT0iAdX3+SpXVB/iJRLygft/45+cuSVdrE3hy+wXD pGMw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:subject:to:references:from:message-id:date :user-agent:mime-version:in-reply-to:content-language :content-transfer-encoding; bh=Oy5A8PYrCuxEwNcqPutPFjqQJ1l+woiGv/ZNAsuFTUs=; b=EOHxrT4Kp+fY0CeiA5Ix/QzUEjYnJuYhoFLKJMMdnnZvjrLeeKBBeqZQlKm8EVxIyf iRAB1bjYoFAzTCUFbsYnQPMJjuyWdfev76QrHSOPGudFCY0rZ97m+n33UrHX0xnAzn6W b3KPtIqQkNoL/zqNnBPYmsDnDEqRgPIN1pDMFlZCKUL+DQ8dhG6ZjGuYpB7+TEqk4EHI Mb8n4YdKLNq6xgD1klJuDVpY4KfsENbhSTQ8GSHjxLgNnKxsck6AUhvxC2+bFV9a5SjD WwOzwBoUN3ozggt1uF3Jr9FD3kEvw6+IFu3/7dCaAnFwc/c7YrVa+/S45JaKQNIEPqPt dexg== X-Gm-Message-State: AOAM530qP/WGvhYMsVOfvgdfvqx+1m6gBEBOCGEu9r3OO7Pc8MhS4aWq fFPIfN4+sXfLg0j9HdbsxhwL0g== X-Google-Smtp-Source: ABdhPJz+3VWsj6qLUOS0nV44i7XfUESePxiXfH1wiihdYFoek28nTz7qLML/xJRaJXTdEucfVGnMFw== X-Received: by 2002:a05:6602:2ac7:: with SMTP id m7mr528771iov.66.1631152865415; Wed, 08 Sep 2021 19:01:05 -0700 (PDT) Received: from [192.168.1.116] ([66.219.217.159]) by smtp.gmail.com with ESMTPSA id t11sm202551ilf.16.2021.09.08.19.01.04 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Wed, 08 Sep 2021 19:01:04 -0700 (PDT) Subject: Re: [syzbot] possible deadlock in io_uring_register To: syzbot , asml.silence@gmail.com, io-uring@vger.kernel.org, linux-kernel@vger.kernel.org, syzkaller-bugs@googlegroups.com References: <000000000000868f9305cb84d318@google.com> From: Jens Axboe Message-ID: <9774a34b-93af-5b09-8ad0-fec289d31428@kernel.dk> Date: Wed, 8 Sep 2021 20:01:03 -0600 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Thunderbird/68.10.0 MIME-Version: 1.0 In-Reply-To: <000000000000868f9305cb84d318@google.com> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 9/8/21 6:10 PM, syzbot wrote: > Hello, > > syzbot found the following issue on: > > HEAD commit: ac08b1c68d1b Merge tag 'pci-v5.15-changes' of git://git.ke.. > git tree: upstream > console output: https://syzkaller.appspot.com/x/log.txt?x=177842dd300000 > kernel config: https://syzkaller.appspot.com/x/.config?x=dc596ab8008badc2 > dashboard link: https://syzkaller.appspot.com/bug?extid=97fa56483f69d677969f > compiler: gcc (Debian 10.2.1-6) 10.2.1 20210110, GNU ld (GNU Binutils for Debian) 2.35.1 Pushed out a fix for this one. -- Jens Axboe